V. The action of squeezing ones breasts together to create a more dramatic cleavage. Often done immediately prior to someone taking a picture, often in a moment of revelry or inebriation.
Most commonly seen among Midwest females during the first few warm days of spring. This phenomenon occurs simultaneously with a general shift in attire to allow more bare skin.

She's Squeezing the Cleavers in 7 or the 10 pictures she took last night.